20678904

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5419}}^1$

素因数の和:5484

約数の個数: 48

約数和(自身を含む): 57072600

約数和(自身を除く): 36393696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5419, 10838, 16257, 21676, 32514, 43352, 48771, 65028, 97542, 130056, 195084, 287207, 390168, 574414, 861621, 1148828, 1723242, 2297656, 2584863, 3446484, 5169726, 6892968, 10339452, 20678904]

約数ペア:

[(1, 20678904), (2, 10339452), (3, 6892968), (4, 5169726), (6, 3446484), (8, 2584863), (9, 2297656), (12, 1723242), (18, 1148828), (24, 861621), (36, 574414), (53, 390168), (72, 287207), (106, 195084), (159, 130056), (212, 97542), (318, 65028), (424, 48771), (477, 43352), (636, 32514), (954, 21676), (1272, 16257), (1908, 10838), (3816, 5419)]